Purpose and specification:
The wear resistant pulverized coal gate valve is a patented product of our factory, patent No. ZL98.2.20547.3, which is suitable for the opening and closing valves of the medium speed pulverized coal conveying system. It has the characteristics of advanced design, advanced technology and excellent performance, and has been widely praised by users. The service life is guaranteed for 6-8 years.
Performance specification:
Product model | Nominal pressure | Test pressure | Strength test pressure | working temperature | Applicable media |
41 NMF 941 W-16C 641 | 1.6 | 1.76 | 2.4 | ≤180℃ | Pulverized coal Ash cement |
41 NMF 941 W-25 641 | 2.5 | 2.75 | 3.8 |
Main connection dimensions:
pressure(MPa) | Drift diameter(DN) | size(mm) | ||||||
D | D₁ | D₂ | b | Z-d | L | H | ||
1.6 | 200 | 335 | 295 | 265 | 26 | 12-Φ23 | 330 | 1100 |
250 | 405 | 355 | 320 | 30 | 12-Φ25 | 340 | 1200 | |
300 | 460 | 410 | 375 | 30 | 12-Φ25 | 345 | 1310 | |
350 | 520 | 470 | 435 | 34 | 16-Φ25 | 350 | 1410 | |
400 | 580 | 525 | 485 | 36 | 16-Φ30 | 355 | 1520 | |
450 | 640 | 585 | 545 | 40 | 20-Φ30 | 360 | 1660 | |
500 | 705 | 650 | 608 | 44 | 20-Φ34 | 365 | 1840 | |
2.5 | 200 | 360 | 310 | 278 | 34 | 12-Φ25 | 330 | 1100 |
250 | 425 | 370 | 332 | 36 | 12-Φ30 | 340 | 1200 | |
300 | 485 | 430 | 390 | 40 | 16-Φ30 | 345 | 1310 | |
350 | 550 | 490 | 448 | 44 | 16-Φ34 | 350 | 1410 | |
400 | 610 | 550 | 505 | 48 | 16-Φ34 | 355 | 1520 | |
450 | 660 | 600 | 555 | 50 | 20-Φ34 | 360 | 1660 | |
500 | 730 | 660 | 610 | 52 | 20-Φ41 | 365 | 1840 |